function province(str)
{
	if (str.length==0)
	{ 
		document.getElementById("province").innerHTML = "";
		return;
	}
	//document.getElementById("province").innerHTML = "Hi";
	//alert(document.getElementById("province").innerHTML);
	//return;
	xmlHttp = GetXmlHttpObject();
	
	if (xmlHttp == null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	
	var url = "ajax_provincie.php";
	url += "?province_name="+str;
	
	xmlHttp.onreadystatechange = function()
	{ 
		if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
		{ 
			document.getElementById("province").innerHTML = xmlHttp.responseText;
		} 
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 
function GetXmlHttpObject()
{
	var xmlHttp = null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}